788results about How to "Reduce the risk of fire" patented technology

A system for hazard mitigation in a structure including a subsystem coupled to a circuit of an electrical distribution system and set of nodes. The nodes monitor operating conditions of the circuit and generate data in response. A data processing system is operable to process the data generated by the set of nodes and in response identify a trigger representing a condition requiring that an action be taken. The data processing system processes the trigger in accordance with a predetermined policy to initiate an action by the subsystem.

First, second and third lighting devices each comprise a thermal conduction element, solid state light emitters and a reflective element. In the second device, the conduction element defines an opening; and the emitters and reflective element are mounted on a first side of the conduction element. In the third device, the conduction element defines an opening; a first portion of a first side of the conduction element is in contact with a contact region of a construction surface; and the emitters and reflective element are mounted on the first side. A fourth device comprises a conduction element and emitters; a first portion of a first side of the conduction element is in contact with a contact region of a construction surface; the emitters are mounted on a second portion of the first side of the conduction element; and a second side of the conduction element is exposed to ambient air.

A decorative, internally-lighted ribbon is formed by a light string and two elongated strips of flexible, semi-translucent material which are connected to form a hollow, elongated sleeve-like enclosure within which a light string is positioned to extend substantially along the length of the enclosure. The semi-translucent material of the strips transfers light from the light string through the strips to create an exterior visual appearance of internal lighting along the length of the ribbon. An internal structure, such as a wire, holds the strips in a flat ribbon-like configuration and allows the ribbon to be bent into decorative shapes. The strips are preferably fire-retardant.

A modular system for continuously insulating exterior walls of a structure and cladding the structure walls provides thermally isolated MFI-brackets secured to a structural wall supporting thermally isolated vertical or horizontal rails supporting exterior cladding. Thermal insulation is positionally retained against the structure wall interior of the exterior cladding by the MFI-brackets and a pressure equalized moisture controlling rain screen is maintained between the interior surface of the exterior cladding and an exterior facing surface of the insulation.

A system for hazard mitigation in a structure including a subsystem coupled to a circuit of an electrical distribution system and set of nodes. The nodes monitor operating conditions of the circuit and generate data in response. A data processing system is operable to process the data generated by the set of nodes and in response identify a trigger representing a condition requiring that an action be taken. The data processing system processes the trigger in accordance with a predetermined policy to initiate an action by the subsystem.

The invention discloses a ceramic diaphragm, and a preparation method and application thereof. The ceramic diaphragm comprises a diaphragm material substrate; the surface of the diaphragm material substrate is coated with a protective layer; the protective layer comprises 0.1% to 50% of ceramic particles and 50% to 99.9% of water-based polymer resin in percentage by weight. According to the invention, the water-based polymer resin is adopted to dispersing the ceramic particles, the use of poisonous N-methylpyrrolidine ketone with a high steam point can be avoided, an organic solvent is not required at all in the production process, solvent volatilization is eliminated, the emission of VOC is reduced, environmental protection is facilitated, energy consumed in the ceramic diaphragm production process can be lowered effectively, the risk of fire hazard can be reduced, and the cost can be lowered.

The present invention relates to compositions comprising flammable refrigerant, fire hazard-reducing agent, and optionally a lubricant suitable for use in a refrigeration or air conditioning apparatus. Further, the present invention relates to compositions comprising lubricant and fire hazard-reducing agent and methods for reducing flammability of flammable refrigerant, for delivering a fire hazard-reducing agent to a refrigeration or air conditioning apparatus, and for replacing a non-flammable refrigerant with a flammable refrigerant.

A valve apparatus especially well-suited for use in gaseous oxygen delivery systems. A valve apparatus is provided that substantially reduces the risk of fire in high-pressure oxygen systems. The apparatus is particularly well-suited for use as a plug valve on ordinary cylinder containers, but may be beneficially used in any pressurized gas system, particularly oxygen systems such as those encountered in many industrial facilities. The wetted portion of the valve is isolated from threaded portions to prevent particulate contamination of the gas stream. The valve seat is located to protect it from direct impact of high-velocity gas streams. The inventive valve, and its associated inventive check-filter and excess-flow prevention features, reduces the potential for hazardous combustion at valve points within oxygen delivery systems.

The in-ground, or “well light”, fixture comprises a hollow cylindrical housing with an angled end and an flat end, a lamp assembly easily mounted at either end, and a baffle. The lamp assembly is rotatably and vertically adjustable within the housing and either the angled end or the flat end may be placed upward by virtue of a pair of channels extending down the length of the housing. Fasteners are provided on the lamp assembly for attaching one or more filters above the lamp face and to create a protective air gap that prevents debris from accumulating on the lamp.

A support and enclosure structure for fluorescent light bulbs includes an elongated, hollow tube having opposite ends, an outer wall and an inner volume, and at least one ventilation opening extending through the outer wall for permitting air flow between the inner volume of the tube and the surrounding environment for cooling of the fluorescent light bulb held there within. End caps are mounted on opposite ends of the tube, the end caps adapted to engage opposite ends of the fluorescent light bulb and support the fluorescent light bulb within the inner volume of the tube free of contact with the outer wall of the tube. Finally, the tube is constructed of a generally rigid, at least partially translucent materials, such that light emitted by the fluorescent light bulb held within the tube generally radiates through the outer wall of the tube into the surrounding environment.

The invention discloses a method for preparing a flame-retardant plant fiber construction heat-insulation wall material. Bamboo, wood and crop straw are taken as raw materials, and the method comprises the following steps of: performing softening treatment, fiber separation, pulp concentration, fiber fibrillation, enhancement treatment, waterproof treatment and flame retardant treatment, injecting a foaming agent and foaming solution through a method for mechanically stirring to introduce air into liquid for foaming; and injecting the foamed solution into a container, dehydrating, drying and setting, sawing into plates, and performing surface coating treatment, drying and other technology so as to prepare the wall material. The method makes branch resources of wood, bosky minor-diameter bamboo, bamboo processing leftover materials and the crop straw become high-additional value high-efficiency construction heat-insulation materials.

The invention discloses a mesophase-pitch-based carbon fiber and a preparation method thereof. The preparation method comprises the steps of conducting mesophase pitch polymerization, modification and visbreaking, conducting centrifugal spinning, conducting hot jetting drafting, conducting oxidation, carbonization and graphitization, and obtaining the mesophase-pitch-based carbon fiber. The diameter of the mesophase-pitch-based carbon fiber ranges from 120 nm to 2000 nm, the draw ratio is 500-20000: 1, the tensile strength is 1.5-4.0 GPa, the tensile modulus is 300-600 GPa, the electrical resistivity is less than 0.2 * 10 <-4> omega.cm, the thermal conductivity is 500-800 W / m.k, and the mesophase-pitch-based carbon fiber is low in fabrication cost and can be applied to fields such as static electricity resistance, heat dissipation, electromagnetic shielding and heat shielding.

A generator support plenum for a engine-generator set for installation on a pickup truck in an RV or on a boat, for example, sits in or under or forms a part of an enclosure for the engine-generator set and defines cool air flow paths into the set for cooling the engine and generator and aspirating the engine. The plenum also defines a warm air outlet duct for escape of the cooling air. In the outlet duct a diffuser couples to the exhaust of the engine to mix hot exhaust with the much cooler escaping cooling air that has passed over the engine and generator. The diffuser eliminates the effect of the extreme hot exhaust gas and muffles the engine sound. Insulation coating the internal surfaces of the plenum further suppresses engine noise.

A temperature controlled / limiting heating element for an electrically powered cooking appliance, having: a plate with an upper contact heating surface; a pair of heating element terminals adapted for removably engaging electrical power supply terminals of the electrically powered cooking appliance; a plurality of resistive heating wires, in thermal engagement with a lower surface of the top plate, comprising: a non-cycling resistive heating wire connected in series to the heating element terminals; and a cycling resistive heating wire connected in series to the heating element terminals via a thermostat switch in thermal engagement with a lower surface of the top plate, wherein the thermostat switch is normally closed when exposed to a sensed temperature below a set temperature and the thermostat switch opens when the sensed temperature is equal to or exceeds the set temperature.

The invention relates to a preparation method of a tunnel asphalt surface layer material. A preparation method for damping porous noise-reducing tunnel asphalt pavement material is characterized in that it comprises the following steps: 1) preparation of high-viscosity and high-elasticity modified asphalt: base asphalt according to the mass ratio of each component: modifier SBS : Activated rubber powder: Viscosifying compatibilizer: Antioxidant: Stabilizer=100: 6.0~18.3: 20.2~45.7: 1.2~3.7: 0.2~1.4: 0.4~1.9, select; obtain high viscosity and high elasticity modification Asphalt; 2) Add flame retardant to high-viscosity and high-elasticity modified asphalt, heat and melt high-viscosity and high-elasticity modified asphalt to add flame retardant, stir for 3-9 minutes, and stand at 150-170°C for 15-30 minutes to obtain Flame-retardant high-viscosity high-elasticity modified asphalt; 3) according to the mass ratio, mineral material: flame-retardant high-viscosity high-elasticity modified asphalt: fiber stabilizer = 100: 3.6~5.2: 0.1~0.4, choose; noise tunnel asphalt surface material. The invention has the functions of noise reduction, flame retardancy and anti-skid.

This invention provides a Michael addition type urethane urea made from starting materials including a polyol (a), a polyisocyanate (b), a polyamine (c) and an unsaturated compound (d), and comprising a bonded portion represented by the following formula (1-1) or (1-2): (where R<3 >represents a monovalent organic group, X represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms and R<4 >represents a hydrogen atom or a monovalent organic group).

A modular system for continuously insulating exterior walls of a structure and cladding the structure walls provides thermally isolated MFI-brackets secured to a structural wall supporting thermally isolated vertical or horizontal rails supporting exterior cladding. Thermal insulation is positionally retained against the structure wall interior of the exterior cladding by the MFI-brackets and a pressure equalized moisture controlling rain screen is maintained between the interior surface of the exterior cladding and an exterior facing surface of the insulation.

The invention discloses a high-safety all-solid-state lithium ion battery which comprises solid electrolyte, a positive plate and a negative plate, wherein the positive plate and the negative plate are overlapped with each other; the solid electrolyte is arranged between the positive plate and the negative plate adjacent to each other; the solid electrolyte is formed by mixing Li1+aAaSibO4 (A is one of Al, Mn, Ni and Ti, a is more than 1 and less than 2, and b is less than or equal to 2), an adhesive and a solvent according to a ratio of t:h:(1-t-h), wherein t is 30-55 percent, and h is 5-17 percent. The original combustible electrolyte and diaphragm are replaced by the noncombustible solid electrolyte, so that the risk that the battery is on fire is effectively reduced. When the solid electrolyte is in a slurry state, the battery is assembled, good contact between the solid electrolyte and a pole piece can be guaranteed, and ion diffusion impedance is reduced. The invention also discloses a method for producing the high-safety all-solid-state lithium ion battery.

A spray dryer apparatus and method suitable for the production of detergents, cleaners and components thereof wherein the inner wall of the drying chamber is provided with an air-permeable textile material lining at a distance from the inner wall, and at least one outlet for compressed gas is provided between the inner wall and the textile material lining whereby adherence of sticky deposits on the inner wall of the drying chamber is avoided or reduced.

A compound engine assembly with an engine core including at least one internal combustion engine, a turbine section including a turbine shaft in driving engagement with the engine shaft, and a compressor, and a firewall. The compressor is located on one side of the firewall, and the turbine section and the engine core are located on the other side. The assembly may include a gearbox module with the turbine section and the engine core located on a same side of the gearbox module casing and the compressor located on the opposite side of the gearbox module casing, and with the firewall extending from the gearbox module casing. One or more rotatable accessory may be located on a same side of the firewall as the compressor. A method of reducing fire hazard in a compound engine assembly is also discussed.

A flame-retardant and fireproof cigarette which aims to contain the combustion process to the cigarette. The flame-retardant and fireproof cigarette has a filter that is aligned with a tobacco body. A flame-retardant and fireproof covering is positioned over at least a portion of the tobacco body and isolates the open fire associated with the consumption of the tobacco during the course of smoking or burning the cigarettes. Such a cigarette reduces the risk of undesired, inadvertent, and latent ignition of adjacent materials.

A clothes dryer has a thermal insulation pad placed in a confined space in the dryer cabinet between the blower fan housing and the dryer cabinet side wall closest to the blower fan housing. The thermal insulation pad is press fit into the space so as to take up much of the volume of the confined space preventing the accumulation of dust or lint over time in the confined space while also preventing the flow of oxygen to the confined space. Accordingly, the thermal insulation pad reduces the risk of a fire starting in the confined area of the dryer cabinet between the blower wheel housing and the adjacent side wall of the cabinet. A thermal insulation pad also acts as sound insulation.

The invention discloses a multifunctional electric fire early warning system, which comprises an electric fire backstage monitoring system, an alarming module, an electric fire monitoring device, a driving module and a control device, wherein the electric fire monitoring device can monitor zero line current, harmonic, residual current and line temperature; the electric fire monitoring device monitors working parameters of an electric line and uploads the parameters to the electric fire backstage monitoring system; the electric fire backstage monitoring system controls the alarming module to give an alarm; and the driving module drives the control device according to control signals. The invention also discloses a multifunctional electric fire early warning method. The method comprises steps: the line parameters are acquired; whether the parameters exceed a threshold is judged; alarming signals and an event record are generated; the data and the event record are uploaded; early warning, presetting and compensation events are generated and reported; and a control instruction is issued, and alarming, control and compensation signals are outputted. The electric line operation data can be monitored thoroughly to realize fire alarming, and the functions are complete.

The invention relates to electronic materials and preparation, and aims to provide a halogen-free flame-retardant solvent-free double-curing ink composition and a preparation method thereof. The composition comprises the following components: low-viscosity epoxy resin, epoxy resin containing phosphorus or nitrogen, glycidyl acrylate reactive diluent, partially-esterified phenolic epoxy acrylate, imidazole curing agent, free radical polymerizing initiator, halogen-free flame retardant, inorganic filler and additives. The preparation method comprises the following steps of: mixing, dispersing and grinding the raw materials until the viscosity reaches 40 to 50 Pa.s per 25 DEG C, dispersing and uniformly agitating the raw materials after the grinding is stopped, and finally filtering, filling and packaging the raw materials. The halogen-free flame-retardant solvent-free double-curing ink composition has the advantages that the possibility of fire hazards caused by ink introduction when a hole is blocked can be reduced by virtue of halogen-free and flame-retardant performance; with adoption of a double-curing technology with free radical polymerizing and epoxide ring-opening addition polymerization, the halogen-free flame-retardant solvent-free double-curing ink composition has a high curing degree, a high temperature in thermal deformation, a low expansion coefficient, low water absorption and high heat resistance; the viscosity of the ink is easy to adjust, and thus the requirements on the use of the ink in different seasons can be ensured; and the curing material is moderate in rigidity and has the characteristic of grindability.

The invention discloses a fire alarm and active dispersion IOT (Internet of Things) and an early-warning and dispersion method, and the IOT comprises a monitoring module, a communication module, a comprehensive management module, an indoor positioning module and an intelligent terminal. The monitoring module is used for monitoring the parameter information of a corresponding position. The communication module is used for transmitting the parameter information of the monitoring module to the comprehensive management module. The comprehensive management module is used for receiving and processing the related information transmitted by the monitoring module and selects whether to transmit a dispersion signal to the intelligent terminal or not. The indoor positioning module is used for the real-time locating of the indoor position where the intelligent terminal is located. The intelligent terminal is provided with a dispersion guide module which is used for indoor navigation, indoor map display, dispersion guide and offline map downloading. The IOT carries out the fire alarm and provides an escape path through employing an APP function on a cellphone and other intelligent terminals. Compared with a conventional fire prompt device, the IOT is more convenient, and is more convenient for safe and effective dispersion.

The invention discloses an automatic cut-off conversion socket for electric apparatus standby. The socket comprises at least one standby detection socket, wherein a power metering chip, a controller and a power relay are arranged on each standby detection socket, the power metering chip is used for detecting the output power of the standby detection socket and for sending standby information to the controller when the output power is lower than a preset value, the controller is used for counting when the standby information is received and for separately disconnecting the controller after a preset time. The socket is applied to the study of zero power consumption standby and safe standby technology, and can better solve the standby energy consumption problem; moreover, an intrinsic safety standby standard is proposed, which has an appreciable promotion function for the technological advance of the household appliances industry; extra waste of the electrical energy can be greatly reduced every year; the emission of carbon dioxide and other greenhouse and harmful gases is reduced; the electric apparatus fire hazard is reduced; the damage to human health caused by standby electromagnetic radiation is reduced, and the service life of the electric apparatus is prolonged.

The invention provides water-based ultraviolet dry plastics printing ink, belongs to the field of printing ink, and aims to solve the problem that the ultraviolet cured ink can use water and ethanol as solvents as well as diluents. The water-based ultraviolet dry plastics printing ink comprises the following components in part by weight: 100 to 300 parts of prepolymers, 15 to 50 parts of photoinitiator, 10 to 30 parts of surface active agent, 70 to 150 parts of dye, 60 to 200 parts of water and 40 to 100 parts of ethanol, wherein the prepolymers are water soluble ultraviolet cured resin, such as waterborne epoxy acrylic acid resin, waterborne ultraviolet cured acrylic acid treating polyacrylic acid resin or waterborne polyurethane acrylate. The water-based ultraviolet dry plastics printing ink also comprises one, two or all of three auxiliary agents of a defoaming agent, a flatting agent and a polymerization inhibitor, wherein the average weight parts of the three auxiliary agents are 3 to 17 respectively. The water-based ultraviolet dry plastics printing ink has the advantages of quick drying speed, convenient adjustment of the ink viscosity, simplified dustproof operations, convenient use, good printing quality, easy obtaining of extremely thin ink films, safety, and environmental protection, and can meet the printing activity of plastic printed products.

The invention relates to power cable comprising, at least one HTS-tape and a cooling system comprising a fluid cooling medium for cooling the at least one HTS-tape. The at least one HTS-tape being at least partly surrounded by a cooling layer comprising said fluid cooling medium and an electrical insulation at least partly impregnated with said fluid medium.The power cable of the invention has shown to reduce the risk of fault current and electrically breakdown. When extra cooling is needed for stable operation the cooling medium may evaporate in the cooling layer for providing the cooling.